Cheapest one-way flights from Boston to Helsinki in August from 212€

AirHint found the following cheapest one-way flights from Boston (BOS) to Helsinki (HEL) in August 2025 (see full year).

One-Way flights

18 Aug Icelandair

Also check the deals for return flights from Boston to Helsinki in August.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Helsinki

Cheap car rent in Helsinki

Feel free to contact us with any feedback or request another flight research.